1346705457 has 8 divisors (see below), whose sum is σ = 1795898784. Its totient is φ = 897657888.

The previous prime is 1346705449. The next prime is 1346705491. The reversal of 1346705457 is 7545076431.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1346705457 - 2³ = 1346705449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1346705057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12663 + ... + 53420.

It is an arithmetic number, because the mean of its divisors is an integer number (224487348).

Almost surely, 2^1346705457 is an apocalyptic number.

It is an amenable number.

1346705457 is a deficient number, since it is larger than the sum of its proper divisors (449193327).

1346705457 is an equidigital number, since it uses as much as digits as its factorization.

1346705457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72879.

The product of its (nonzero) digits is 352800, while the sum is 42.

The square root of 1346705457 is about 36697.4857040642. The cubic root of 1346705457 is about 1104.3096653840.

The spelling of 1346705457 in words is "one billion, three hundred forty-six million, seven hundred five thousand, four hundred fifty-seven".